Basic steamers are really cheap, I think mine is from a grocery store or Target. The tripod part sits in a saucepan and the ventilated dish slides up and down to fit.
For vegetables the frozen microwave bags are usually just as good to me but I'm an uncivilized clod.
Lots of: urban hiking, cycling, sprinting
Lots of: fresh meat, seafood, eggs, organs, tubers, starch fruits, vegetables, meat fat, dairy fat, oil fruits
Some: cured meat, dairy protein, sweet fruits, rice, pulses, tree nuts, oil seeds
Minimal: soy, refined proteins, sugar, liquid carbohydrate, grains, refined oils, peanuts